Examine source code of amazonPrint

{
  "manifest_version": 2,
  "name": "amazonPrint",
  "version": "1.4",
  "description": "permet d'imprimer une page produit Amazon simplement avec les données essentielles, photo principale, prix, nom et Qr code contenant l'url de la page",
  "homepage_url": "https://github.com/ox223252/amazonPrint.git",
  "icons": {
    "36": "icons/aPrint.svg",
    "48": "icons/aPrint.svg",
    "96": "icons/aPrint.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.fr/*"
      ],
      "js": [
        "amazonPrint.js"
      ],
      "css": [
        "amazonPrint.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7fe2aae6-cdef-48ca-8519-9eea7b315484}"
    }
  }
}